It 244 – database design
1-Write the relational algebra expressions for the following (using Ç): branch (branch_name, branch city, assets) customer (customer_name, customer street, customer city) loan (loan number, branch_name, amount) borrower (customer name, loan number) account (account_number, branch name, balance) depositor (customer_name, account number) a) Find the names of all customers who have a loan and an account at bank. b) Find all customers who have an account from […]